feat: join_requests table and join CTA flow

migrations/0002_join_requests.sql

@@ -0,0 +1,5 @@
+CREATE TABLE IF NOT EXISTS join_requests (
+  id         INTEGER PRIMARY KEY AUTOINCREMENT,
+  user_id    INTEGER NOT NULL UNIQUE REFERENCES users(id),
+  created_at TEXT    NOT NULL DEFAULT (datetime('now'))
+);

src/lib/db.ts

@@ -329,3 +329,33 @@ export function getAllAttendance(meetingSlug: string): { user_id: number; status
     WHERE a.meeting_slug = ?
   `).all(meetingSlug) as { user_id: number; status: AttendanceStatus; name: string }[];
 }
+
+// ── Join requests ────────────────────────────────────────────────
+
+export function createJoinRequest(userId: number): void {
+  db.prepare('INSERT OR IGNORE INTO join_requests (user_id) VALUES (?)').run(userId);
+}
+
+export function hasJoinRequest(userId: number): boolean {
+  const r = db.prepare('SELECT id FROM join_requests WHERE user_id = ?').get(userId);
+  return r !== undefined;
+}
+
+export interface JoinRequest {
+  id: number;
+  user_id: number;
+  created_at: string;
+  user_name: string;
+  user_email: string;
+  user_organisation: string;
+}
+
+export function getAllJoinRequests(): JoinRequest[] {
+  return db.prepare(`
+    SELECT jr.id, jr.user_id, jr.created_at,
+           u.name AS user_name, u.email AS user_email, u.organisation AS user_organisation
+    FROM join_requests jr
+    JOIN users u ON u.id = jr.user_id
+    ORDER BY jr.created_at DESC
+  `).all() as JoinRequest[];
+}

src/pages/admin/index.astro

@@ -3,6 +3,7 @@ import AppLayout from '../../layouts/AppLayout.astro';
 import {
   getAllInvites, getAllUsersPublic, revokeInvite,
   createInvite, updateUserRole, deactivateUser,
+  getAllJoinRequests,
 } from '../../lib/db';
 import { generateInviteToken, inviteExpiresAt } from '../../lib/auth';
 import { fmtDate } from '../../lib/markdown';
@@ -66,6 +67,7 @@ if (Astro.request.method === 'POST') {
 
 const invites      = getAllInvites();
 const users        = getAllUsersPublic();
+const joinRequests = getAllJoinRequests();
 actionMsg = Astro.url.searchParams.get('msg');
 ---
 <AppLayout title="Admin" user={user}>
@@ -86,6 +88,12 @@ actionMsg = Astro.url.searchParams.get('msg');
         href="/admin?tab=participants"
         class:list={['tab label-sm', { active: tab === 'participants' }]}
       >Participants</a>
+      <a
+        href="/admin?tab=join"
+        class:list={['tab label-sm', { active: tab === 'join' }]}
+      >
+        Join requests {joinRequests.length > 0 && <span class="tab-count">{joinRequests.length}</span>}
+      </a>
     </div>
 
     {actionMsg && (
@@ -255,6 +263,43 @@ actionMsg = Astro.url.searchParams.get('msg');
       </div>
     )}
 
+    <!-- Join requests tab -->
+    {tab === 'join' && (
+      <div class="tab-content">
+        <section class="section">
+          <h2 class="label-sm section-heading">Join requests</h2>
+          <p class="body-sm section-note">
+            Users who clicked "I want to join" on the home page. Use this to prioritise
+            follow-up and generate invite links.
+          </p>
+          {joinRequests.length === 0 ? (
+            <p class="body-sm empty-msg">No join requests yet.</p>
+          ) : (
+            <table class="data-table">
+              <thead>
+                <tr>
+                  <th class="label-sm">Name</th>
+                  <th class="label-sm">Email</th>
+                  <th class="label-sm">Organisation</th>
+                  <th class="label-sm">Requested</th>
+                </tr>
+              </thead>
+              <tbody>
+                {joinRequests.map((jr) => (
+                  <tr>
+                    <td class="body-sm">{jr.user_name}</td>
+                    <td class="body-sm">{jr.user_email}</td>
+                    <td class="body-sm">{jr.user_organisation}</td>
+                    <td class="body-sm muted">{fmtDate(jr.created_at)}</td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          )}
+        </section>
+      </div>
+    )}
+
   </div>
 </AppLayout>
 
@@ -303,6 +348,27 @@ actionMsg = Astro.url.searchParams.get('msg');
   .tab:hover { color: var(--on-surface-variant); background: var(--surface-container-low); border-bottom: none; }
   .tab.active { color: var(--on-surface); background: var(--surface-container); }
 
+  .tab-count {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    background: var(--secondary);
+    color: var(--on-secondary);
+    border-radius: var(--radius-full);
+    font-size: var(--text-label-sm);
+    font-weight: 700;
+    min-width: 1.25rem;
+    height: 1.25rem;
+    padding: 0 var(--space-1);
+    margin-left: var(--space-2);
+  }
+
+  .section-note {
+    color: var(--on-surface-muted);
+    margin: 0;
+    max-width: var(--reading-max);
+  }
+
   /* ── Messages ────────────────────────────────────────────────────── */
   .action-msg {
     padding: var(--space-3) var(--space-4);

src/pages/api/join.ts

@@ -0,0 +1,9 @@
+import type { APIRoute } from 'astro';
+import { createJoinRequest } from '../../lib/db';
+
+export const POST: APIRoute = ({ locals }) => {
+  createJoinRequest(locals.user.id);
+  return new Response(JSON.stringify({ ok: true }), {
+    headers: { 'Content-Type': 'application/json' },
+  });
+};